# E vs Wadapay

The clearest difference is update cadence: Wadapay at every 3 days against E's every 3 months. E's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 3 months, Wadapay every 3 days. The most recent releases landed on June 11, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | E | Wadapay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wadapay/id6760012100/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 21 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Ulaanbaatar Railway, Mongolian-Russian JVC](https://appshunter.io/developer/1273656008) | [Sukhbold Bayansan](https://appshunter.io/developer/1857431873) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-normative/id6470155996)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wadapay

[App page](https://appshunter.io/ios/app/wadapay/id6760012100)

Easily top up your account and locate nearby water wells integrated into the system. Check well status and availability for convenient water collection, accessible to all citizens and foreign residents.

**Highlights:** Easy account top-up, View integrated well locations, Check well status, Water availability information, Select nearest available well

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E free?

E is free to download, with no in-app purchases.

### Is Wadapay free?

Wadapay is free to download, with no in-app purchases.

### Do E or Wadapay have ads?

Neither E nor Wadapay shows ads.

### Which is updated more often, E or Wadapay?

E ships an update every 3 months, and Wadapay every 3 days. Most recently, E was updated on June 11, 2026 and Wadapay on August 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*